dmb

Data Memory Barrier (Thumb)

DMB <option>

Memory barrier (Thumb).

Details

The Data Memory Barrier instruction memory barrier (Thumb).

Pseudocode Operation

// Memory/instruction barrier

Example

DMB option

Encoding

Binary Layout
1111001110111111100011110101
option
 
Format Thumb System
Opcode 0xF3BF8F50
Extension A32 (Base)

Operands

  • option
    SY/ISH